/*******************************************************************************
* Copyright (c) 2006, 2008 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.ui.internal.texteditor.rulers;
import org.eclipse.core.runtime.Assert;
/**
* Describes one placement constraint of a contribution to the
* <code>org.eclipse.ui.texteditor.rulerColumns</code> extension point.
*
* @since 3.3
*/
public final class RulerColumnPlacementConstraint {
private final String fId;
private final boolean fBefore;
/**
* Creates a new constraint.
*
* @param id the id of the referenced contribution
* @param before <code>true</code> if the specifying should come <i>before</i>,
* <code>false</code> if it should come <i>after</i> the contribution referenced by
* id.
*/
RulerColumnPlacementConstraint(String id, boolean before) {
Assert.isLegal(id != null);
fId= id;
fBefore= before;
}
/**
* Returns the identifier of the referenced column contribution.
*
* @return the identifier of the referenced column contribution
*/
public String getId() {
return fId;
}
/**
* Returns <code>true</code> if the receiver is a <i>before</i> constraint,
* <code>false</code> if it is an <i>after</i> constraint.
*
* @return <code>true</code> if the receiver is a <i>before</i> constraint,
* <code>false</code> if it is an <i>after</i> constraint
*/
public boolean isBefore() {
return fBefore;
}
}